Genesee weather by month
What a typical year looks like in Genesee, Pennsylvania: average highs and lows, rain and snow, and the warmest and coldest days on record. Normals are the 1991–2020 averages at Wellsville, 16 km from Genesee; records cover 1980–2026.
The year at a glance
- Precipitation a year
- 39.7 in1008 mm
- Snow a year
- 54 in137 cm
- Last spring freeze
- May 19
- First fall freeze
- Oct 6
- Heating degree days
- 7,560
- Cooling degree days
- 261
Freeze dates are medians (half of years earlier, half later). Degree days use a 65°F base; HVAC design temperatures here are −9°−23° (heating, 99%) and 89°32° (cooling, 1%).
Month by month
Genesee in January
Highs average 31°−1° and lows 13°−11°, with 2.7 in69 mm of precipitation and 15 in38 cm of snow in a typical January.
- Record high
- 64°18° (2008)
- Record low
- −19°−28° (2005)
- Heating degree days
- 1340
- Cooling degree days
- 0
Genesee in February
Highs average 33°1° and lows 14°−10°, with 1.9 in47 mm of precipitation and 11 in29 cm of snow in a typical February.
- Record high
- 72°22° (2017)
- Record low
- −24°−31° (2015)
- Heating degree days
- 1159
- Cooling degree days
- 0
Genesee in March
Highs average 42°5° and lows 20°−6°, with 2.5 in64 mm of precipitation and 8 in20 cm of snow in a typical March.
- Record high
- 77°25° (2012)
- Record low
- −22°−30° (2015)
- Heating degree days
- 1056
- Cooling degree days
- 0
Genesee in April
Highs average 55°13° and lows 30°−1°, with 3.5 in89 mm of precipitation and 1.8 in4.6 cm of snow in a typical April.
- Record high
- 87°31° (2009)
- Record low
- 5°−15° (2016)
- Heating degree days
- 675
- Cooling degree days
- 0
Genesee in May
Highs average 68°20° and lows 41°5°, with 3.6 in92 mm of precipitation and 0.1 in0.3 cm of snow in a typical May.
- Record high
- 96°36° (1980)
- Record low
- 21°−6° (2014)
- Heating degree days
- 342
- Cooling degree days
- 14
Genesee in June
Highs average 75°24° and lows 50°10°, with 4.1 in104 mm of precipitation in a typical June.
- Record high
- 92°33° (2005)
- Record low
- 30°−1° (2020)
- Heating degree days
- 119
- Cooling degree days
- 50
Genesee in July
Highs average 79°26° and lows 54°12°, with 4.2 in107 mm of precipitation in a typical July.
- Record high
- 100°38° (2011)
- Record low
- 38°3° (2007)
- Heating degree days
- 44
- Cooling degree days
- 95
Genesee in August
Highs average 78°25° and lows 54°12°, with 4 in102 mm of precipitation in a typical August.
- Record high
- 91°33° (2025)
- Record low
- 39°4° (2025)
- Heating degree days
- 55
- Cooling degree days
- 77
Genesee in September
Highs average 71°21° and lows 46°8°, with 3.6 in91 mm of precipitation in a typical September.
- Record high
- 90°32° (2011)
- Record low
- 28°−2° (2020)
- Heating degree days
- 221
- Cooling degree days
- 23
Genesee in OctoberThis month
Highs average 58°15° and lows 37°3°, with 4 in101 mm of precipitation and 0.5 in1.3 cm of snow in a typical October.
- Record high
- 85°29° (2019)
- Record low
- 19°−7° (2012)
- Heating degree days
- 544
- Cooling degree days
- 2
Genesee in November
Highs average 46°8° and lows 28°−2°, with 2.8 in71 mm of precipitation and 5 in13 cm of snow in a typical November.
- Record high
- 75°24° (2015)
- Record low
- −3°−19° (2018)
- Heating degree days
- 849
- Cooling degree days
- 0
Genesee in December
Highs average 35°2° and lows 20°−7°, with 2.8 in72 mm of precipitation and 12 in31 cm of snow in a typical December.
- Record high
- 67°19° (2012)
- Record low
- −8°−22° (2004)
- Heating degree days
- 1156
- Cooling degree days
- 0